v3.26.1
Unaudited Condensed Consolidated Balance Sheets - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
CURRENT ASSETS:      
Cash and cash equivalents $ 94,150,000 $ 69,834,000 $ 69,834,000
Restricted Cash and Cash Equivalent 5,000   5,000
Accounts Receivable, after Allowance for Credit Loss, Current 270,832,000 296,216,000  
Accounts Receivable, Allowance for Credit Loss, Current 13,049,000 14,057,000 36,454,000
Inventory, Net 67,561,000 73,783,000  
Regulatory assets 73,843,000 82,136,000  
Income Taxes Receivable, Current 19,047,000 18,247,000  
Other Assets, Current 30,572,000 28,349,000  
Total current assets 745,630,000 568,565,000  
UTILITY PLANT:      
Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization 3,089,173 3,288,070  
Property, plant and equipment, net of accumulated depreciation of $3,089,173 and $3,288,070, respectively 6,129,892,000 6,019,436,000  
Other Assets, Noncurrent [Abstract]      
Intangible Asset, Excluding Goodwill, after Accumulated Amortization 282,879,000 285,960,000  
Regulatory assets 609,709,000 615,324,000  
Assets for Plan Benefits, Defined Benefit Plan 34,307,000 33,938,000  
Other Assets, Miscellaneous, Noncurrent 220,355,000 233,954,000  
Total other non-current assets 7,277,142,000 7,188,612,000  
TOTAL ASSETS 8,022,772,000 7,757,177,000 7,757,177,000
CURRENT LIABILITIES:      
Debt, Current 120,109,000 90,056,000  
Accounts payable 217,262,000 278,886,000  
Accrued taxes 35,327,000 27,636,000  
Interest Payable, Current 77,171,000 48,696,000  
Customer deposits 16,207,000 15,199,000  
Regulatory Liability, Current 15,762,000 32,401,000  
Asset Retirement Obligation, Current 60,190,000 40,724,000 45,396,000
Accrued Liabilities and Other Liabilities 46,752,000 46,429,000  
Total current liabilities 778,405,000 580,027,000  
Long-term Debt and Lease Obligation 3,921,241,000 3,920,555,000  
Deferred Income Tax Liabilities, Net 492,163,000 455,941,000  
NON-CURRENT LIABILITIES:      
Regulatory Liability, Noncurrent 251,404,000 259,062,000  
Accrued other postretirement benefits 3,222,000 3,159,000  
Asset retirement obligations, non-current 511,366,000 532,463,000 $ 322,883,000
Other non-current liabilities 8,316,000 8,403,000  
Total non-current liabilities 5,187,712,000 5,179,583,000  
Liabilities $ 5,966,117,000 $ 5,759,610,000  
Common Stock, Shares, Outstanding   108,907,318  
Common Stock, Shares Authorized 290,000,000    
Common shareholders' equity:      
Additional Paid in Capital $ 1,808,173,000 $ 1,808,143,000  
Accumulated Other Comprehensive Income (Loss), Net of Tax 33,207,000 33,641,000  
Accumulated deficit 6,899,000 3,068,000  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 2,056,655,000 1,997,567,000  
Equity, Attributable to Noncontrolling Interest 208,376,000 152,715,000  
Total common shareholders' equity 1,848,279,000 1,844,852,000  
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY 8,022,772,000 7,757,177,000  
Customer deposits 16,207,000 15,199,000  
Income Taxes Receivable 189,625,000 0  
ITC      
NON-CURRENT LIABILITIES:      
Taxes Payable 189,625,000 0  
Taxes Payable $ 189,625,000 $ 0